Oh, I agree! Thanks for sharing this video! It would be really fantastic to see professional footage from that year! But unfortunately there is only 8 mm footage. It is from 69 at the beginning of this trailer of the Adrenaline DVD:
YouTube- Elvis Presley - Adrenaline '70
If somebody haven't seen it yet, there is a 10 min long 8 mm footage from 69 without sound, it can be downloaded here:
I know it is bad quality, but very rare and you can see how energetic he was on stage.